he's deploying to the front lines of afghanistan to treat the war wound. but before he goes, he along with other military medical personnel will complete a tour of duty here at the university of maryland shock trauma center in baltimore. sharpening their ability to deal with critical trauma patients. >> the wounds appear to be superficial. >> category "a" now. >> trauma. >> trooper one. 15 up, 10 minutes back, fall from tree. category "a," priority 1. >> every day, dozens of trauma patients are wheeled into these bays. some are accident victims. this young man came with multiple stab wounds. but right alongside the civilian trauma doctors, nurses and techs, military personnel. colonel david powers, a surgeon, runs the military training program here. >> the injuries i've treated here and that i see her at this hospital are the closest thing to the injuries i saw in iraq that i've experienced in the continental united states. >> >> reporter: listen to what powers has encountered in recent weeks here. >> i've had a gentleman whose entire scalp was torn off in